131,121 in words
131,121
one hundred and thirty-one thousand one hundred and twenty-one
131,121 is written one hundred and thirty-one thousand one hundred and twenty-one.
Ways to write it
- As an ordinal
- one hundred and thirty-one thousand one hundred and twenty-first
- Expanded form
- 100,000 + 30,000 + 1,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 9, 17, 51, 153, 857, 2,571, 7,713, 14,569, 43,707 and 131,121 (12 factors)
- First 10 multiples
- 131,121, 262,242, 393,363, 524,484, 655,605, 786,726, 917,847, 1,048,968, 1,180,089, 1,311,210
- Square
- 131,121 × 131,121 = 17,192,716,641
- Square root
- ≈ 362.11
- Sum of the digits
- 1 + 3 + 1 + 1 + 2 + 1 = 9
- Rounded to the nearest 10
- 131,120
- Rounded to the nearest 100
- 131,100
- Rounded to the nearest 1000
- 131,000
- Number before
- 131,120
- Number after
- 131,122
- In binary
100000000000110001
Quick check
What number comes just after 131,121?
Show the answer
131,122
Is 131,121 even or odd?
Show the answer
Odd
What is 131,121 + 10?
Show the answer
131,131
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 131,121 in words?
131,121 is written "one hundred and thirty-one thousand one hundred and twenty-one".
Is 131,121 a prime number?
No. 131,121 is a composite number, because it has more than two factors.
What are the factors of 131,121?
The factors of 131,121 are 1, 3, 9, 17, 51, 153, 857, 2,571, 7,713, 14,569, 43,707 and 131,121.